/*
 * Author: Harry van Haaren 2013
 *         harryhaaren@gmail.com
 * 
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "config.hxx"
#include "version.hxx"

#include <iostream>
#include <unistd.h>
#include <signal.h>

#include <jack/ringbuffer.h>

#include "gui.hxx"
#include "jack.hxx"
#include "event.hxx"
#include "denormals.hxx"

int signalHanlderInt = 0;

char* processDspMem = 0;
char* processGuiMem = 0;

jack_ringbuffer_t* rbToDsp = 0;
jack_ringbuffer_t* rbToGui = 0;

// global static pointers, for access from EventHandlerGui and EventHandlerDsp
Gui * gui  = 0;
Jack* jack = 0;


void signalHanlder(int signum)
{
  signalHanlderInt = signum;
}

static void gui_static_loadSession_cb(void* inst)
{
  char* tmp = (char*) inst;
  int sess = gui->getDiskReader()->readSession( tmp );
  if ( sess != LUPPP_RETURN_OK )
    LUPPP_ERROR( "Error loading session" );
}

int main(int argc, char** argv)
{
  LUPPP_NOTE("%s", GIT_VERSION );
  
  bool runTests;
  if ( runTests ){} // remove unused warning if not built with BUILD_TESTS
  
  for(int i = 0; i < argc; i++)
  {
    if ( strcmp(argv[i], "-test" ) == 0 ) {
      runTests = true;
    }
    else if ( i != 0 ) // don't try load with the program name!
    {
      // assume filename, try load it
      Fl::repeat_timeout( 1 / 30.f, &gui_static_loadSession_cb, argv[i] );
    }
  }
  
  // setup the environment
  AVOIDDENORMALS();
  signal(SIGINT , signalHanlder);
  signal(SIGTERM, signalHanlder);
  
  // allocate data to read from
  processDspMem = (char*)malloc( sizeof(EventBase) );
  processGuiMem = (char*)malloc( sizeof(EventBase) );
  
  rbToDsp = jack_ringbuffer_create( 5000 * sizeof(EventBase));
  rbToGui = jack_ringbuffer_create( 5000 * sizeof(EventBase));
  
  
#ifdef BUILD_TESTS
  LUPPP_NOTE("Built with BUILD_TESTS enabled");
  if ( runTests )
  {
    // counts failures
    int testResult = 0;
    
    // setup the testing Gui / JACK: Jack first, then GUI
    Jack::setup("LupppTEST");
    gui = new Gui(argv[0]);
    
    // test offline functionality
    testResult += gui->getDiskReader()->runTests();
    testResult += gui->getDiskWriter()->runTests();
    
    // test realtime functionality
    testResult += jack->getGridLogic()->runTests();
    
    jack->quit();
    
    delete gui;
    delete jack;
    jack = 0;
    
    // running tests == quitting after testing finishes
    return testResult;
  }
#endif
  
  
  // Create a GUI, check for NSM integration
  gui = new Gui( argv[0] );
  
  if ( gui->getNsm() )
  {
    // the NSM OSC Open message will trigger Jack initialization: necessary
    // to use the right name to create the JACK client.
  }
  else
  {
    Jack::setup("Luppp");
    jack->activate();
  }
  
  gui->show();
  
  return 0;
}